WELL · 42-255-37478 · DISTRICT 2
Janysek Unit #6H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Janysek Unit #6H (API 42-255-37478) is a horizontal well in Karnes County operated by Devon Energy Production CO L.P., completed October 18, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 3, 2022, permitted to 14,000 ft.
Completion filings report 10 formation tops, including Frio, Yegua, Queen City, Reklaw.
Its lease has reported 2.23M barrels of oil and 5.78M mcf of gas since September 2011, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
Devon Energy Production Co L.P.
Oklahoma City, OK · P-5 Y, filed Nov 4, 2025 · 9,266 permits on file · (800) 465-8314
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Devon Energy Production Co L.P. |
| Production reports | Devon Energy Production Co, L.P.through Apr 2026 |
| Latest permit | Devon Energy Production Co, L.P.May 3, 2022 |
- 14,000
- total depth, ft
- 2
- permits on file
- May 3, 2022
- last permit issued
- Oct 18, 2022
- completed
- 2.23M
- cumulative oil, bbl
- 5.78M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 18, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.920231, -97.851952
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Janysek Unit O-2-9844 | Eagleville (Eagle Ford-2) | Devon Energy Production Co, L.P. | 9 | 2.23M | 5.78M | Sep 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 64,898 · prior 12 70,978(-9%)
Gas, mcf lease total
Last 12 months 498,830 · prior 12 421,693(+18%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Plains Exploration & Prod. Co.Dec 2011 → Jun 2013
- 2Freeport-McMoran Oil & Gas LLCJul 2013 → Jun 2014
- 3Encana Oil & Gas(usa) Inc.Jul 2014 → Jan 2020
- 4Ovintiv USA Inc.Feb 2020 → Apr 2021
- 5Validus NRG Aquilas Assetco LLCMay 2021 → Aug 2022
- 6Devon Energy Production Co, L.P.Sep 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 879539-98 | Drill | Devon Energy Production Co, L.P. | Dec 5, 2022 | May 3, 2022 | Jul 15, 2022 | 14,000 |
| 879539-99 | Drill | Validus NRG Aquilas Assetco LLC | Apr 27, 2022 | May 3, 2022 | Jul 15, 2022 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9844 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 284 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioFRIO - DISPOSAL | 1,786 | -1,502 |
| YeguaYEGUA - DISPOSAL | 2,777 | -2,493 |
| Queen City | 3,856 | -3,572 |
| Reklaw | 4,303 | -4,019 |
| Carrizo | 4,837 | -4,553 |
| WilcoxWILCOX - DISPOSAL | 5,128 | -4,844 |
| Austin ChalkAUSTIN CHALK - H2S | 11,976 | -11,692 |
| Eagle FordEAGLE FORD - H2S | 12,184 | -11,900 |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,408 | 18,317 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,613 | 12.25 | 1,350 S |
| 5.5 | 18,348 | 8.75 | 2,840 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 19, 2023 | Dec 19, 2022 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-255-37478 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37478 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Janysek Unit42-255-37479
0.0 KM · Validus NRG Aquilas Assetco LLC · Section with this well →
| Frio | 1,790 | -1,506 |
| Yegua | 2,778 | -2,494 |
| Queen City | 3,856 | -3,572 |
| Reklaw | 4,304 | -4,020 |
| Carrizo | 4,853 | -4,569 |
| Wilcox | 5,122 | -4,838 |
| Austin Chalk | 11,980 | -11,696 |
| Eagle Ford | 12,185 | -11,901 |
10 TOPS · FIRST 8
Janysek Unit42-255-37480
0.0 KM · Validus NRG Aquilas Assetco LLC · Section with this well →
| Frio | 1,814 | -1,530 |
| Yegua | 2,806 | -2,522 |
| Queen City | 3,874 | -3,590 |
| Reklaw | 4,325 | -4,041 |
| Carrizo | 4,851 | -4,567 |
| Wilcox | 5,142 | -4,858 |
| Austin Chalk | 11,989 | -11,705 |
| Eagle Ford | 12,188 | -11,904 |
10 TOPS · FIRST 8
Janysek Unit42-255-37481
0.0 KM · Validus NRG Aquilas Assetco LLC · Section with this well →
| Frio | 1,814 | -1,531 |
| Yegua | 2,807 | -2,524 |
| Queen City | 3,876 | -3,593 |
| Reklaw | 4,324 | -4,041 |
| Carrizo | 4,855 | -4,572 |
| Wilcox | 5,142 | -4,859 |
| Austin Chalk | 11,992 | -11,709 |
| Eagle Ford | 12,220 | -11,937 |
10 TOPS · FIRST 8
Jendrusch Unit42-255-37879
0.7 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,807 | -1,509 |
| Yegua | 2,797 | -2,499 |
| Queen City | 3,891 | -3,593 |
| Reklaw | 4,339 | -4,041 |
| Carrizo | 4,886 | -4,588 |
| Wilcox | 5,147 | -4,849 |
| Austin Chalk | 11,986 | -11,688 |
| Eagle Ford | 12,188 | -11,890 |
10 TOPS · FIRST 8
Jendrusch - Duncan SA 142-255-37880
0.7 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,805 | -1,507 |
| Yegua | 2,795 | -2,497 |
| Queen City | 3,890 | -3,592 |
| Reklaw | 4,338 | -4,040 |
| Carrizo | 4,884 | -4,586 |
| Wilcox | 5,146 | -4,848 |
| Midway | 8,283 | -7,985 |
| Austin Chalk | 11,990 | -11,692 |
11 TOPS · FIRST 8
Duncan Unit42-255-37877
0.7 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,815 | -1,516 |
| Yegua | 2,804 | -2,505 |
| Queen City | 3,894 | -3,595 |
| Reklaw | 4,345 | -4,046 |
| Carrizo | 4,891 | -4,592 |
| Wilcox | 5,150 | -4,851 |
| Midway | 8,291 | -7,992 |
| Austin Chalk | 11,992 | -11,693 |
10 TOPS · FIRST 8
Krudwig Unit42-255-37639
0.7 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,827 | -1,530 |
| Yegua | 2,816 | -2,519 |
| Queen City | 3,896 | -3,599 |
| Reklaw | 4,345 | -4,048 |
| Carrizo | 4,883 | -4,586 |
| Wilcox | 5,158 | -4,861 |
| Austin Chalk | 11,998 | -11,701 |
| Eagle Ford | 12,207 | -11,910 |
10 TOPS · FIRST 8
Duncan Unit42-255-37876
0.7 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 1,813 | -1,515 |
| Yegua | 2,803 | -2,505 |
| Queen City | 3,896 | -3,598 |
| Reklaw | 4,347 | -4,049 |
| Carrizo | 4,897 | -4,599 |
| Wilcox | 5,152 | -4,854 |
| Midway | 8,292 | -7,994 |
| Austin Chalk | 11,992 | -11,694 |
11 TOPS · FIRST 8
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/25537478, documented in the API reference.